lockdown after the suicide of jovan belcher. belcher drove to the practice facility and thanked chiefs coach and general manager before tyking his own life. >> they talked for a bit and that's what he shot himself. >> reporter: the suicide followed a domestic incident five miles from the stadium approximately belcher shot his girlfriend kassandra perkins multiple times, killing her. >> they've been arguing before the shooting occurred. >> reporter: belcher's mother called 911. she had recently moved into the house, possibly to help with her grandchild. belcher got his start here in west babylon new york. he led the team to their first undefeated season. going on to play college ball before landing in the pros. belcher spent all four years with the chiefs. playing in every game this year. but the team is 1-10 this season. stuck in an 8-game losing streak. kansas city's mayor wouldn't speculate on a motive, but acknowledged the pressures of the job. >> we're talking about kids that are 25, 26, 24 years old playing in circumstances